body {
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('../img/终结谷.jpg');
    background-attachment: fixed;
    background-size: cover
}
* {
    margin: 0;
    padding: 0;
}
.banxin {
    width: 1000px;
   margin: 0 auto;
}
.title-h1 {
    height: 200px;
    line-height: 200px;
    font-size: 180px;
    text-align: center;
    color:transparent;
    font-family: '华文行楷';
    background-image: linear-gradient(rgb(255, 255, 255),rgb(216, 139, 24));
    background-clip:text;
    animation: text-1 2s ease-out forwards;
}

@keyframes text-1 {
    0% {
        opacity: 0;
    }
    100% {
       opacity: 1;
    }
}

span {
    font-family: Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
}


.lxw {
    position: fixed;
    top: 350px;
    left: 20px;
    width: 200px;
    animation: lxw-1 2s linear infinite;
    z-index: -1;
}
.lxw-1 {
    position: fixed;
    top: 350px;
    right: 20px;
    width: 200px;
    animation: lxw-1 2s linear infinite;
    z-index: -1;
}

@keyframes lxw-1 {
    100% {
        transform: rotate(360deg);
    }
}


.conten {
    margin-top: 80px;
}
.conten-mian {
    height: 400px;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    background-color: rgba(135, 207, 235, 0.674);
    border-radius: 20px;
}

.box {
    width: 200px;
    height: 200px;
    background-color: skyblue;
    margin-right: 20px;
    margin-left: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 28px;
    transition: 0.3s all linear;
}

.box:hover {
    color: aliceblue;
    -webkit-text-stroke: 1px black; 
}

.box:nth-child(1):hover {
    transform: translate(50px,50px);
}
.box:nth-child(2):hover {
    transform: rotate(360deg);
    border-radius: 50%;
}
.box:nth-child(3):hover {
    transform: scale(1.1);
    border-radius: 10px;
}
.box:nth-child(4):hover {
    transform: skew(20deg);
}


.nr{
	width: 500px;
	height: 250px;
	position: relative;
}
.li{
    margin: 0 auto;
	position: absolute;
	right: 85px;
	top: 199px;
}
.nr:before{
	content: "";
	width: 500px;
	height: 270px;
	display: block;
	position: absolute;
	left: 0;
	top: 0;
	background: url(../img/nr.png) no-repeat;
}


.box-2{
    width: 500px;
    height: 400px;
    margin: auto;
    color: white;
    overflow: hidden;
    text-align: center;
    margin-top: 50px;
}
.text-2{
    display: inline-block;
    width: 40px;
    height: 40px;
    line-height: 40px;
    border-radius: 50%;
    margin: 3px;
    background-color: black;
    shape-outside: margin-box;
}
.text-3{
    display: inline-block;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    margin: 3px;
    line-height: 40px;
    background-color: blue;
    color: white;
    shape-outside: margin-box;
}
.box-2 img{
    width: 100px;
    float: left;
    padding-left: 20px;
}